Motorcycle helmet



FIG. 1 is a front top-right side perspective view of a motorcyclehelmet, showing my new design;

FIG. 2 is a front elevational view of FIG. 1 thereof;

FIG. 3 is a rear elevational view of FIG. 1 thereof;

FIG. 4 is a left side elevational view of FIG. 1 thereof;

FIG. 5 is a right side elevational view of FIG. 1 thereof;

FIG. 6 is a top plan view of FIG. 1 thereof; and,

FIG. 7 is a bottom plan view of FIG. 1 thereof.

CLAIM The ornamental design for a motorcycle helmet, as shown and described. 